diff options
Diffstat (limited to 'i18npool/source/inputchecker/inputsequencechecker_hi.cxx')
| -rw-r--r-- | i18npool/source/inputchecker/inputsequencechecker_hi.cxx | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/i18npool/source/inputchecker/inputsequencechecker_hi.cxx b/i18npool/source/inputchecker/inputsequencechecker_hi.cxx new file mode 100644 index 000000000000..a265ef0a651e --- /dev/null +++ b/i18npool/source/inputchecker/inputsequencechecker_hi.cxx @@ -0,0 +1,148 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_i18npool.hxx" + +#include <inputsequencechecker_hi.hxx> + +using namespace rtl; + +namespace com { +namespace sun { +namespace star { +namespace i18n { + +InputSequenceChecker_hi::InputSequenceChecker_hi() +{ + serviceName = "com.sun.star.i18n.InputSequenceChecker_hi"; +} + +InputSequenceChecker_hi::~InputSequenceChecker_hi() +{ +} +/* Non-Defined Class type */ +#define __ND 0 + +/* + * Devanagari character type definitions + */ +#define __UP 1 // ChandraBindu & Anuswar +#define __NP 2 // Visarg +#define __IV 3 // Independant Vowels +#define __CN 4 // Consonants except _CK & _RC +#define __CK 5 // Consonants that can be followed by Nukta +#define __RC 6 // Ra +#define __NM 7 // Matra +#define __RM 8 // Ra + HAL +#define __IM 9 // Choti I Matra +#define __HL 10 // HAL +#define __NK 11 // Nukta +#define __VD 12 // Vedic +#define __HD 13 // Hindu Numerals + +/* + * Devanagari character type table + */ +static const sal_uInt16 devaCT[128] = { +/* 0, 1, 2, 3, 4, 5, 6, 7, + 8, 9, A, B, C, D, E, F, */ +/* 0900 */ __ND, __UP, __UP, __NP, __ND, __IV, __IV, __IV, + __IV, __IV, __IV, __IV, __IV, __IV, __IV, __IV, +/* 0910 */ __IV, __IV, __IV, __IV, __IV, __CK, __CK, __CK, + __CN, __CN, __CN, __CN, __CK, __CN, __CN, __CN, +/* 0920 */ __CN, __CK, __CK, __CN, __CN, __CN, __CN, __CN, + __CN, __CN, __CN, __CK, __CN, __CN, __CN, __CN, +/* 0930 */ __RC, __CN, __CN, __CN, __CN, __CN, __CN, __CN, + __CN, __CN, __ND, __ND, __NK, __VD, __NM, __IM, +/* 0940 */ __RM, __NM, __NM, __NM, __NM, __RM, __RM, __RM, + __RM, __RM, __RM, __RM, __RM, __HL, __ND, __ND, +/* 0950 */ __ND, __VD, __VD, __VD, __VD, __ND, __ND, __ND, + __CN, __CN, __CN, __CN, __CN, __CN, __CN, __CN, +/* 0960 */ __IV, __IV, __NM, __NM, __ND, __ND, __HD, __HD, + __HD, __HD, __HD, __HD, __HD, __HD, __HD, __HD, +/* 0970 */ __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, + __ND, __ND, __ND, __ND, __ND, __ND, __ND, __ND, +}; + +/* + * Devanagari character composition table + */ +static const sal_uInt16 dev_cell_check[14][14] = { + /* ND, UP, NP, IV, CN, CK, RC, NM, RM, IM, HL, NK, VD, HD, */ + /* 0 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* ND */ + /* 1 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* UP */ + /* 2 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NP */ + /* 3 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IV */ + /* 4 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* CN */ + /* 5 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0 }, /* CK */ + /* 6 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* RC */ + /* 7 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* NM */ + /* 8 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* RM */ + /* 9 */ { 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* IM */ + /* 10 */ { 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0 }, /* HL */ + /* 11 */ { 0, 1, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0 }, /* NK */ + /* 12 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, /* VD */ + /* 13 */ { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } /* HD */ +}; + +sal_Bool _DEV_Composible[2][2] = { +/* Mode 0 */ {sal_True, sal_True }, // PASSTHROUGH = 0 +/* Mode 1 */ {sal_False, sal_True} // STRICT = 1 +}; + +#define getCharType(x) \ + ((x >= 0x0900 && x < 0x097f) ? devaCT[x - 0x0900] : __ND) + +sal_Bool SAL_CALL +InputSequenceChecker_hi::checkInputSequence(const OUString& Text, + sal_Int32 nStartPos, + sal_Unicode inputChar, + sal_Int16 inputCheckMode) + throw(com::sun::star::uno::RuntimeException) +{ + sal_Unicode currentChar = Text[nStartPos]; + sal_uInt16 ch1 = getCharType(inputChar); + sal_uInt16 ch2 = getCharType(currentChar); + + return (_DEV_Composible[inputCheckMode][dev_cell_check[ch2][ch1]]); +} + +sal_Int32 SAL_CALL +InputSequenceChecker_hi::correctInputSequence(OUString& Text, + sal_Int32 nStartPos, + sal_Unicode inputChar, + sal_Int16 inputCheckMode) + throw(com::sun::star::uno::RuntimeException) +{ + if (checkInputSequence(Text, nStartPos, inputChar, inputCheckMode)) + Text = Text.replaceAt(++nStartPos, 0, OUString(inputChar)); + else + nStartPos=Text.getLength(); + return nStartPos; +} +} } } } |